XI120288‑N‑ZT Crossed Roller Slewing Bearing
XI120288‑N‑ZT Crossed Roller Slewing Bearing – Compact & High-Load Rotary Solution
The XI120288‑N‑ZT is a crossed roller slewing ring bearing from INA/Schaeffler, engineered for high-precision rotary applications needing compact design and superior load capacity.
📏 Technical Specifications
Inner bore (dᵢ): 216 mm
Outer diameter (Dₐ): 340 mm
Bearing width (H): 38 mm
Inner ring height (h): 33 mm
Centering bore diameter (dₐ ZT): 285 mm
Inner ring centering bore (dᵢ ZT): 338 mm
Ring width (b): 34 mm
Fixing holes: 20 in inner & 20 in outer rings (Ø9 mm)
Weight: approx. 12 kg rhia.de+12hsnbearing.com+12lily-bearing.com+12bearingmaker.combspdbearing.comahrinternational.com
🌟 Performance Ratings
Basic dynamic axial load (Cₐ): 136 kN
Basic static axial load (C₀ₐ): 315 kN
Basic dynamic radial load (Cᵣ): 97 kN hsnbearing.com+3bspdbearing.com+3m.made-in-china.com+3
Max radial load before friction lock: 35 kN
Tooth fatigue and fracture limits: 12.3 kN and 17.8 kN bspdbearing.com
✅ Key Features
Crossed cylindrical roller design: Supports high radial, axial, and moment loads simultaneously, ideal for compact rotary systems hsnbearing.com+9bearingmaker.com+9ahrinternational.com+9.
Internal centering (ZT): Enables precise shaft alignment and easy assembly.
Sealing options available: Ensures protection and grease retention in dusty or industrial environments.
High stiffness & accuracy: Minimizes deflection for smooth rotational performance.
Robust 20-hole bolt pattern: Allows secure mounting in heavy-duty equipment.
🏭 Typical Applications
Robotic arms and automated machinery
Rotary tables in processing and assembly lines
Turntables in medical imaging (e.g., CT, MRI)
Solar trackers and surveillance platforms
Radar/military turret systems
🎯 Why Choose the XI120288‑N‑ZT?
The XI120288‑N‑ZT offers a compact 340 mm diameter while delivering impressive load ratings — up to 136 kN dynamic axial and 97 kN dynamic radial. Its crossed roller structure supports combined load scenarios with high rigidity and accuracy. The internal centering bore allows seamless integration with shafts, and a 38 mm bearing width maintains a low-profile installation—perfect for space-constrained rotational equipment.
This bearing’s design ensures long-lasting performance with low maintenance, making it suitable for industrial automation, cleanroom systems, medical devices, and more.
